Medications and Drugs
Brand Names: Periactin
Generic Name: cyproheptadine (Pronunciation: SIP roe HEP ta deen)
What is cyproheptadine (Periactin)?
Cyproheptadine an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose
Cyproheptadine is used to treat sneezing, itching, watery eyes, runny nose, and other symptoms of allergies.
Cyproheptadine may also be used for purposes not listed in this medication guide.
Cyproheptadine 4 mg-BAR
round, white, imprinted with SL 314
Cyproheptadine 4 mg-IVA
round, white, imprinted with Z 2929
Cyproheptadine 4 mg-TEV
round, white, imprinted with 93 2929
Periactin 4 mg
round, white, imprinted with PERIACTIN, MSD 62
What are the possible side effects of cyproheptadine (Periactin)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop taking cyproheptadine and call your doctor at once if you have a serious side effect such as:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about cyproheptadine (Periactin)?
You should not use this medication if you are allergic to cyproheptadine, or if you have narrow-angle glaucoma, a stomach ulcer or obstruction, an enlarged prostate or urination problems, if you are having an asthma attack, or if you are elderly or have a debilitating disease.
Cyproheptadine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
Drinking alcohol can increase certain side effects of cyproheptadine.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Allergies & Asthma
Improve treatments & prevent attacks.
Pill Identifier on RxList
- quick, easy,
Find a Local Pharmacy
- including 24 hour, pharmacies