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Doctor insights on: Fastin Cause Headaches

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Can taking fastin (phentermine) cause severe headaches?

Can taking fastin (phentermine) cause severe headaches?

Yes: It's not common, but it happens, and it's probably not a good medicine for you. Most people have no problems with it, but some are very sensitive, and have spikes in blood pressure or other severe symptoms, and they shouldn't take it without discuss first with their doctor. ...Read more

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Dr. Gail Altschuler
390 doctors shared insights

Phentermine (Definition)

Phentermine is been around for about 60 years. Phentermine is an appetite suppressant the bariatrician in the winter of 2008. Has a article gives a great description of the medication phentermine. I have used Phentermine over the last nine years without any complications whatsoever. We only give a half of a 37.5 mg ...Read more


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Can Fastin (phentermine) cause blood in stool and vomiting?

Can Fastin (phentermine) cause blood in stool and vomiting?

No. If you have...: ...bloody stools and diarrhea, you need to get medical care NOW. I could write more but that might distract you from this advice. Go to a health care facility now. If no one can take you or you're really weak, call 9-1-1. Please & thank you. Dr. Anne ...Read more

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Can you take fastin with paxil (paroxetine)?

Can you take fastin with paxil (paroxetine)?

Not recommended: There is a drug interaction issue and combination may cause serious life-threatening reactions (serotonin syndrome). Rec.: talk to your prescribing physician for more information. ...Read more

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Could you tell me if fastin and phentermine have the same ingredients?

Could you tell me if fastin and phentermine have the same ingredients?

Fastin (phentermine) discontinued: Fastin (phentermine) was a brand name form of Phentermine, so they have the same active ingredients. Fastin (phentermine) is no longer manufactured because it also contained a harmful food additive. ...Read more

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Is fastin (phentermine) XR safe to take with diabetes?

Is fastin (phentermine) XR safe to take with diabetes?

Short term: Fastin is phentermine, indicated for the short-term assistance in weight loss efforts. Make sure your blood pressure is under control first. Weight loss will help blood sugar control, but so will a low-carb, prudent, diabetic diet along with a regular exercise program. You can get more weight loss by adding onglyza/bydureon/januvia, depending on your need for a1c reduction. ...Read more

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How long does it take fastin (phentermine) to get out of your urine?

How long does it take fastin (phentermine) to get out of your urine?

Hard to tell...: It's hard to tell when there won't be any more medication in the body or urine of a particular individual. The half-life of a drug can vary from person to person. Some websites say the half-life of Phentermine (fastin) is somewhere around 16-31 hours. If a half-life is 24hr (1 day), that means after 1 day, half the drug is still in the body (then 1/4, 1/8, 1/16, 1/32, ...1/64 remains after 6 days). ...Read more

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What is the definition or description of: Fastin (phentermine) overdose?

What is the definition or description of: Fastin (phentermine) overdose?

No official level: The FDA encourages no more than the recommended dosage of 37.5 mg. Phentermine has effects on the nervous system. High doses can cause mental distrubance, hypertension, and heart rhythm disturbance. There are also gi symptoms. Excessive doses are potentially fatal. Phentermine is contraindicated for patients with significant heart problems, glaucoma, and overactive thyroid. ...Read more

Dr. Bennett Machanic
4,162 doctors shared insights

Headache (Definition)

The medical term is cephalalgia. It is a feeling of pain that can occur on either both sides or just one side of the head or neck. Headaches can be sharp, dull, or throbbing, and can radiate to different areas of the head. They typically last less than an hour but can ...Read more


Dr. Linda Callaghan
279 doctors shared insights

Fastin (Definition)

Fastin is an appetite suppressant which is a kind ...Read more