Dr. Frederick Singer

Endocrinology
Santa Monica, CA
60 years experience male

Locations

Office

Santa Monica, CA

Address

Santa Monica Blvd, 2200 22nd St., Santa Monica, CA
Directions

About

Specialties
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.

Endocrinology

Languages spoken

English

Doctor Q&A

305 Answers
1 Agree
The number of answers this doctor has agreed with.
A 37-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Nothing.: It requires daily overdoses for several weeks to cause symptoms, .
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Resistance to PTH: Pseudohypoparathyroidism is a rare condition which results in resistance to the effect of parathyroid hormone. Hypocalcemia develops and causes tingl... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Frederick Singer
Endocrinology 60 years experience
No and yes: Weight loss is not difficults due to hypercalcemia. Fatigue is a symptom of moderate to severe hypercalcemia.
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Vitamin D deficiency: Secondary hyperparathyroidism i( normal calcium and high PTH) s due to vitamin D deficiency, abnormal kidney function, kidney loss of calcium. It is ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 47-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Three mechanisms.: Hypocalcemia occurs in the absence of parathyroid hormone because of low bone breakdown, loss of calcium in the urine and poor absorption of calcium b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Not available in USA: Strontium ranelate is not approved for use in the USA. Studies in Europe suggest it helps prevent fractures but long term safety is an issue. There ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Bone density: Serum calcium and magnesium do not predict bone density results. Bone density is done when there are factors suggesting it may be abnormal such as ag... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Vitamin D intake: Vitamin d intake depends on what the level of serum 25ohd is in the blood. The average normal person should take at least 1000 u of vitamin D3 daily.
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Safe: Bone density scans usually use radiation to measure the density of bone. The dose of radiation is much less than that from a chest x-ray. It is not ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
No.: Calcium carbonate was the first type of antacid and is safe to take unless your blood calcium is elevated or you have a history of calcium kidney ston... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Enlarged or absent.: Parathyroid glands (one or more) may enlarge and cause a high blood calcium and lead to kidney stones and bone loss. If high enough symptoms may occu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Somewhat: Weight training can produce a modest increase in bone density over time. Generally this is not sufficient to significantly treat osteoporosis. Howev... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Ultrasound : An abnormal parathyroid gland may be detected by ultrasound examination of the neck or by a nuclear scan of the neck (sestamibi). If the abnormal gla... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Absorption: Calcium citrate and calcium carbonate are calcium supplements which are recommended to people who do not use dairy products. Calcium carbonate is not... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
No.: Too much calcium raises the risk of developing kidney stones but shouldn't cause bone aches.
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Fractures may occur.: Osteoporosis produces no symptoms until fractures occur. This often occurs because of trauma, particularly hip fractures caused by falling. Vertebra... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Kidney stones.: Excess calcium intake can cause kidney stones. More recently it has been reported that calcium supplements may increase the risk of calcification in ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 47-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Hormone increases.: In people with normal parathyroid gland function a decrease in blodd calcium produces an immediate increase in parathyroid hormone in order to restore... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Yes.: If an individual has osteoporosis and then develops severe vitamin d deficiency both disorders could be present in time.
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Very controversial.: Aside from bone health studies have suggested that vitamin d deficiency is harmful for diabetics, fighting infection, depression, cancer and a variety... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Degree of bone loss: Osteopenia is a mild to moderate degree of bone loss. Osteoporosis is a severe degree of bone loss. Osteomalacia results from poorly mineralized bon... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 47-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Calcium absorption: Calcium citrate is readily absorbed by the intestine in the absence of acid in the stomach whereas calcium carbonate is poorly absorbed in the absence... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old female asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Yes.: There is no reason not to give him a calcium supplement if he doesn't drink 3 glasses of milk daily.
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Maybe muscle spasm: Patients with osteoporosis who have fractures of the vertebrae may have chronic muscle spasm surrounding the fracture area due to the abnormal structu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Yes.: Your wife could be treated with prolia, a powerful medication which prevents bone loss and is not chemically related to actonel (risedronate).
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Walking: Walking is the safest exercise for patients with osteoporosis. Swimming would also be safe.
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Endocrinologist.: The diagnosis of hyperparathyroidism could be made by a general practitioner or internist but the most experienced specialist would be an endocrinolog... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Yes.: There is no adverse interaction between vitamin d and hydrochlorothiazide when both are taken at the appropriate doses.
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Hypothyroidism: If you are taking levothyroxine because of hypothyroidism you will develop fatigue, constipation and weight gain over time and perhaps other symptoms.
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Knee injection.: Knee pain generally is not related to osteoporosis. Degenerative arthritis is a common cause. After x-ray or MRI an orthopaedic surgeon can decide w... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Yes.: Calcium is usually in multivitamins. It should not be taken simultaneously with thyroid hormone.
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Many: Weight loss, estrogen deficiency, bone loss, and weakness are significant side effects of anorexia or starvation.
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Bone pain: Severe vitamin d deficiency could cause bone and muscle pain. Other possible symptoms include tingling in lips or hands due to low blood calcium and ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Yes. Hyperthyroidism: Diarrhea can be a symptom of hyperthyroidism.
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old male asked:
Dr. Frederick Singer
Endocrinology 60 years experience
No.: The reason for the low testosterone should be found. It is possible that appropriate treatment of the cause may preserve fertility.
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old male asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Kidney stones.: If the high calcium is due to parathyroid hormone kidney stones and bone loss may occur over time. A diagnosis of the cause is necessary for proper t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 55-year-old female asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Nothing else.: If your cortisol is quite low only cortisone or other steroid can make you feel better. A low acth suggests there is a pituitary problem which the en... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Bone loss.: Over time low vitamin d levels can result in bone loss. If severe enough poor mineralization of bone can result which may lead to fractures and painf... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
1000 units?: If your blood vitamin d is normal and you are not overweight 1000 units daily should be enough.
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Estrogen.: Estrogen is the most effective treatment of perimenopausal and postmenopausal symptoms. If you have an intact uterus Progesterone is needed to preven... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Not certain.: Vitamin d deficiency has been associated with depression.
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
400 to 1000 units: The amount of vitamin d is indicated on the container. Usually 400 to 1000 units.
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Maybe.: The imaging would be useful to help explain the cause of the pain. It doesn't have to be cancer.
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old female asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Yes.: Yes, but you should have a bone density test to see if you have osteoporosis. This would require a medication to improve bone strength.
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Yes.: A variety of bone active medicines can reverse osteopenia.
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Increase.: Parathyroid hormone helps maintain a normal level of calcium in the blood. If there is too little the calcium falls. If there is too much produced b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Yes.: Smoking is associated with low bone density.
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Acts on bone: Calcitonin is a hormone made in the thyroid gland and released into the blood. . Its main action is to reduce the activity of bone cells which break ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 47-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Constipation.: Calcium carbonate may causes constipation. It was a common treatment of excess acidity in the past, .
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Frederick Singer
Endocrinology 60 years experience
Only calcium: A growing child needs calcium, phosphorus and vitamin d to buiold strong bones. Candy causes cavities in teeth.
Created for people with ongoing healthcare needs but benefits everyone.

Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

3
Recommendations
468
Thank you notes
HealthTap member
Jan 28, 2013
What do you consider absolutely beautiful qualities ? It does not have to be the typical "nice, ... http://www.pulmoll.de/
HealthTap member
Mar 30, 2015
Dr. Singer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Singer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
This was very helpful. Thanks! Thank you again, Dr.Singer for donating your time to give advice. It was straight-forward and I appreciated the feelings of support I received from it
HealthTap member
Thank you, your answer was very helpful! What type of thyroid test do I need to ask for besides the basic one that they use to diagnosis?
HealthTap member
Thank u doctor !please tell me side effects of Dilantin also my son keep twitching his left eye is it due to fit he had 2 yrs ago.

Education & Training

Medical/Graduate school

UC San Francisco School of Medicine, CA
Graduated 1963MD

Awards

Top Endocrinologist, First Place, Arizona - Winter
2013
Top Endocrinologist, First Place, California - Summer
2013
Top Endocrinologist, Second Place, California - Spring
2015
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