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Dr. Robert Grindstaff

Addiction Medicine
Bristol, TN
39 years experience male

Locations

Pathway Medical Group

Bristol, TN

Address

113 Landmark Lane Ste A, Bristol, TN
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.

Addiction Medicine

Family Medicine

Pain Management

Licenses

United States: Tennessee

Doctor Q&A

972 Answers
1.0K Agrees
The number of answers this doctor has agreed with.
A female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Yes: bur use protection unless you desire pregnancy.
A 51-year-old male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
A blood pressure med: in the ace inhibitor class.
A 28-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Not particularly: the combination may possibly lead to decreased breathing and is inadvisable unless specifically prescribed by a physician who knows you are on both me... Read More
A 16-year-old male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Its hard to tell: I wpuld consult a Urologist if worried.
A male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
With care: the two in combination may lead to increased CNS depression and increased side effects after 5 hours it should be ok also be sure your physician kn... Read More
A 19-year-old male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Most likely blood: but it is usually small amounts and of no real consequence. I once asked a Urologist friend of mine about the same thing and he said when he asked hi... Read More
A 65-year-old male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
There does not seem: to be a limit as to how long it can be taken.
A 37-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
A 18-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
The main difference: is that the Tylenol (acetaminophen) PM has dyphenhydramine in it and may cause increased somnolence otherwise the symptoms would be the same.
A 22-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
It depends: on how much and how long you have been taking it. it will be out of your system between 5-10 days depending on the half life in your body. If withdr... Read More
A 41-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Yes: they will do both breast on the mammogram and this way they can do ultrasounds on both breasts also. I hope everything comes out OK.
A 28-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Phleboliths are: small calcifications in blood vessels which are usually benign. Occasionally they may be mistaken for kidney or ureteral stones or vice versa.
A 29-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Probably not: if you are spotting i would not suggest any activity which can cause stimulation of the uterus until seen by your OB.
A 17-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
It may take several: days for the swelling to stop and reverse. You need to keep the foot elevated to help decrease the swelling.
A female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
No: the cannabis is in the hair itself. If the hair test is in 2 months hair grows at an average of 1/2 inch per month so if your hair is longer than 1 i... Read More
A 18-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Warm soaks: may help relieve the pain and it may be to early to drain. I would go to the ER or urgent care to have it checked before it worsens. If ir is a pilo... Read More
A female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
No: occasional use can take up to 4 weeks to clear the urine chronic or heavy use may take up to 6 weeks.
A 39-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Vomiting blood: from the GI tract.
A 26-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Stimulant abuse: may cause problems with your dopamine that may take months to correct. After 5 years of abuse it may take some time to restore the dopamine function ... Read More
A 32-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Therapy should help: getting a good therapist who will be patient and work through the things which contribute to the anxiety will be most effective.
A 19-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
If there is no blood: coming out how do you know your period has started.
A 24-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Ti is probably: not a good urine specimen and is contaminated (not a clean catch) with the large amount of epithelial cells and multiple organisms. You need a better... Read More
A 20-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
If no period yes: but you may not have a period for a while after discontinuing Depo-Provera and then may not know when you ovulate. if concerned check a pregnancy tes... Read More
A male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
It should not be: a problem if taken as directed by your physician.
A 18-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
It could be severe: dysmenorrhea but you should be checked by your physician to be sure it is nothing worrisome
A 21-year-old male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
If you have been an: IV user its possible you have heart valve damage or endocarditis (an infection of the lining of the heart). If the chest pain and shortness of breath... Read More
A 37-year-old male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Xanax (alprazolam): Lorazepam is similar to Xanax (alprazolam) in that it has a short half life which means it seems to work faster but doesn't last as long, This make... Read More
A 19-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Yes and no: some medications are ok to chew and some are not especially long acting medications. As your physician if a particular medication is safe ti chew or ... Read More
A 17-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Diarrhea is a known: side effect of the Vyvanse (lisdexamfetamine).
A 63-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
The half life: for someone with normal kidneys is 1 hr so in somewhere between 3-5 hrs the amount would be negligible.
A 42-year-old member asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
There are several: things which may result in a false positive rapid rug test. Poppy seeds being a frequent one I would check the test to see or ask for a confirmation... Read More
A 40-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
GI bleed: it seems you may have an upper GI bleed and I would suggest a complete workup ASAP
A 44-year-old male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Withdrawal?: for the short ted use most will not have withdrawal if you begin to have withdrawal symptoms, increased generalized pain, diarrhea, nausea and vomiti... Read More
A 20-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Bleeding after sex: it is possible your cervix if friable or easy to bleed after your period. Endometriosis is usually uterine lining outside the uterus in the body cavi... Read More
A 16-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
It could be several: things and the only way to tell is to be checked by your physician.
A 23-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Xanax (alprazolam) and ritalin: have no interaction but prozac (fluoxetine) reacts with both.
A 18-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Probably not: it depends on what your BP has been running before. unless it is a great increase it is not concerning unless you begin to spill protein in your urin... Read More
A 17-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
The only way: to be accurate is for any prospective fathers to submit to DNA test to see who is the child's father actually is.
A 21-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Usually: the O2 saturation, blood pressure, heart rate or ECG are monitored
A 26-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Elmiron (pentosan) is brand: only at present and wholesales for about 190 for 30 caps.
A 41-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Yes: a GI can perform endoscopy to see if there is a stricture or other damage to the esophagus and then they can treat as indicated
A 26-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Yes: they could be mites. you can try to expose the area to sunlight or apply borax to the bites
A 33-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Paragard: Non-hormonal IUDs irritate the uterine lining and prevent the fertilized egg from implanting thus preventing pregnancy
A 20-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Pregnant ?: you have to be sexually active or at least be vaginally exposed to the lubricating penile fluid to become pregnant. If still worried check a pregnanc... Read More
A 19-year-old male asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Probably not cancer: it is most likely something you have eaten or something that has been digested to a green color. If concerned see your physician for an examination
A 30-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Tarry poop: many thing can turn poop blackened tarry. Pepto Bismol, (bismuth subsalicylate) Iron. If he has not consumed those the other cause would be more wor... Read More
A 29-year-old female asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
Breast feeding: if you are not currently using meth it is safe to breast feed. I would also stay sober while pregnant. Good Luck and congratulations on your sobri... Read More
A 41-year-old member asked:
Dr. Robert Grindstaff
Addiction Medicine 39 years experience
The risks: are decrease in IQ and neuropsych testing decreased grey matter in the prefrontal cortex of the brain which are non-reversable, possible cardiac toxic... Read More

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

5
Recommendations
713
Thank you notes
Sep 26, 2014
Knowledgeable expert in Addiction Medicine and many other medical topics. Gives great answers. Highly recommend.
Sep 12, 2014
Very accurate and timely responses.
HealthTap member
Mar 30, 2015
Dr. Grindstaff is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
This made me feel good. Thanks! Thank you so much this makes me feel so much better I was stressing I go there because I have extream pain. Don't want them to think I'm abusing meds.
HealthTap member
This made me feel good. Thanks! One doctor promise when get study certificate.I'm always help poor person .plz help me and give me answer how I'm free for taken drugs.want come USA
HealthTap member
This was very helpful. Thanks! Went to see PCP today. The urgency feeling after stream might because of pressure by kidney stone. Dizziness and headache was gone. Thank you.

Education & Training

Medical/Graduate school

University of Tennessee College of Medicine, TN
Graduated 1983MD

Residency

Holston Valley Hospital and Medical Center
Completed 1986

Awards

Americas Top Doctors, in Family Medicine
Top Addiction Specialist , First Place, National - Fall
2014
Top Doctor, First Place, Kingsport Region - Fall
2014
90,000 U.S. doctors in 147 specialties are here to answer your questions, provide medical advice, write prescriptions, and more.
Answer emailed
in 24 hours or less