Minocycline FAQ – Frequently Asked Questions About Minocycline

Minocycline, also known as minocycline hydrochloride, is a type of broad spectrum tetracycline antibiotic primarily used for the treatment of acne vulgaris, although it has many medical uses.

Minocycline has been sold under the brand names Dynacin and Minocin, however it is normally found in it’s generic form.

If you are taking minocycline, or are considering starting it, you might have some questions about the medication. This is completely normal, and it’s why we’ve put together this page with some of the most frequently asked questions that people have about minocycline.

Is Minocycline an Antibiotic?

Yes, minocycline is a tetracycline; a group of broad spectrum antibiotics which includes tetracycline, minocycline, doxycycline, and many others.

Is Minocycline Safe During Pregnancy?

Minocycline is categorized as a class D drug by the FDA, which means that there is some evidence that it could possibly affect the fetus, but the potential benefits of taking it outweigh the small possible risks.

While there have been no conclusive studies performed on humans, animal studies have shown instances of embryo and fetotoxicity.

In other words, minocycline is capable of crossing the barrier of the placenta and interacting with the fetus, and because of this it should generally avoided during pregnancy or while breastfeeding unless it is desperately needed.

Is Minocycline in the Penicillin Family?

No, but minocycline is one of the drugs that can be taken if a patient is allergic to penicillin or is otherwise unable to take it.

Is Minocycline a Sulfa Drug?

No, minocycline is not a sulfa drug.

Is Minocycline a Corticosteroid?

Minocycline is not a corticosteroid, but rather an antibiotic. However, in some cases where extreme hypersensitivity to minocycline is a problem, corticosteroid therapy could be administered.

Is Minocycline a Blood Thinner?

Minocycline is not a blood thinner on it’s own, but should not be taken with any blood thinners as they could adversely interact with one another.

Is Minocycline Safe for Long-Term Use?

A study by the Dermatology Department, General Infirmary at Leeds, U.K. Tested 700 subjects with doses of up to 200mg per day of minocycline for 10.5 months.

So significant abnormalities were detected, and the study concluded that minocycline is safe for long-term use.

http://www.ncbi.nlm.nih.gov/pubmed/8733373

Can Minocycline Cause Weight Gain or Weight Loss?

A common side effect of minocycline is mild loss of appetite, which can lead to weight loss. Severe weight loss, however, is a symptom of hypersensitivity to minocycline and should be reported to your doctor or dermatologist immediately.

Minocycline should not cause weight gain.

Can Minocycline Cause Liver Damage?

Taken at the prescribed dose, minocycline should not damage the liver even if taken long-term. However, taking expired minocycline capsules can cause damage to the kidneys.

Will Minocycline Cause Hair Loss?

While hair loss is not listed as a symptom, very rarely some patients have reported losing hair while on the medication. This is not conclusive, however, and there has been no link found between minocycline use and hair loss.

Should Minocycline Be Taken With Food?

Minocycline can be taken with or without food, however if you find that it causes upset stomach you should try to take it on a full stomach to help alleviate that symptom.


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