Cyproheptadine

DRUG DESCRIPTION

Cyproheptadine (cyproheptadine hydrochloride) HCl is an antihistaminic and antiserotonergic agent.

Cyproheptadine hydrochloride (cyproheptadine (cyproheptadine hydrochloride) hydrochloride) is a white to slightly yellowish, crystalline solid, which is soluble in water, freely soluble in methanol, sparingly soluble in ethanol, soluble in chloroform, and practically insoluble in ether. It is the sesquihydrate of 4-(5H-dibenzo[a,d] cyclohepten-5-ylidene)-1-methylpiperidine hydrochloride. The molecular and structural formula of the anhydrous salt is:

Cyproheptadine HCl Structural Formula Illustration

C21H21N•HCl..................MW: 350.89

Cyproheptadine (cyproheptadine hydrochloride) HCl is available in tablets for oral administration containing 4 mg of cyproheptadine hydrochloride (cyproheptadine (cyproheptadine hydrochloride) hydrochloride) . Each tablet also contains the following inactive ingredients: dibasic calcium phosphate dihydrate, magnesium stearate, microcrystalline cellulose, polyoxyl (40) stearate, purified water, sodium starch glycolate, and stearic acid.

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:

  • confusion, hallucinations, unusual thoughts or behavior;
  • seizure (convulsions);
  • ringing in your ears;
  • feeling like you might pass out;
  • fast or pounding heartbeats;
  • easy bruising or bleeding;
  • ...

Read All Potential Side Effects and See Pictures of Cyproheptadine »

What are the precautions when taking cyproheptadine hydrochloride (Cyproheptadine)?

Before taking cyproheptadine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: glaucoma (narrow-angle), stomach problems (e.g., peptic ulcer, stomach/intestinal obstruction), urinary problems (e.g., enlarged prostate, bladder obstruction).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: asthma, glaucoma, overactive thyroid, heart disease, high blood pressure, seizure disorder, kidney...

Read All Potential Precautions of Cyproheptadine »


Cyproheptadine Consumer (continued)

SIDE EFFECTS: Drowsiness, dizziness, blurred vision, loss of coordination, upset stomach, constipation, increased appetite, weight gain, thickening of mucus in the nose/throat, or dry mouth/throat/nose may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: mental/mood changes (e.g., unusual excitement, confusion, hallucinations), fast/pounding/irregular heartbeat, difficulty urinating, seizures.

Tell your doctor immediately if any of these rare but very serious side effects occur: stomach/abdominal pain, persistent nausea/vomiting, yellowing eyes/skin, dark urine, unusual tiredness.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before taking cyproheptadine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: glaucoma (narrow-angle), stomach problems (e.g., peptic ulcer, stomach/intestinal obstruction), urinary problems (e.g., enlarged prostate, bladder obstruction).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: asthma, glaucoma, overactive thyroid, heart disease, high blood pressure, seizure disorder, kidney problems.

This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

To minimize dizziness, get up slowly when rising from a seated or lying position.

The elderly may be more sensitive to the side effects of this drug, especially drowsiness and dizziness.

Do not use this drug in newborn or premature infants. Children may be more sensitive to the side effects of this drug, especially unusual excitement and seizures.

This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.

It is not known if this medication passes into breast milk. Due to the potential risk to the nursing infant, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.


Cyproheptadine Patient Information Including Side Effects

Brand Names: Periactin

Generic Name: cyproheptadine (Pronunciation: SIP roe HEP ta deen)

  • What is cyproheptadine (Cyproheptadine)?
  • What are the possible side effects of cyproheptadine (Cyproheptadine)?
  • What is the most important information I should know about cyproheptadine (Cyproheptadine)?
  • What should I discuss with my healthcare provider before taking cyproheptadine (Cyproheptadine)?
  • How should I take cyproheptadine (Cyproheptadine)?
  • What happens if I miss a dose (Cyproheptadine)?
  • What happens if I overdose (Cyproheptadine)?
  • What should I avoid while taking cyproheptadine (Cyproheptadine)?
  • What other drugs will affect cyproheptadine (Cyproheptadine)?
  • Where can I get more information?

What is cyproheptadine (Cyproheptadine)?

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 other purposes not listed in this medication guide.

What are the possible side effects of cyproheptadine (Cyproheptadine)?

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:

  • confusion, hallucinations, unusual thoughts or behavior;
  • seizure (convulsions);
  • ringing in your ears;
  • feeling like you might pass out;
  • fast or pounding heartbeats;
  • easy bruising or bleeding;
  • urinating less than usual or not at all; or
  • pale or yellowed skin, dark colored urine, fever, or unusual weakness.

Less serious side effects may include:

  • mild drowsiness, dizziness, or spinning sensation;
  • restlessness or excitability (especially in children);
  • sleep problems (insomnia), tired feeling;
  • numbness or tingly feeling;
  • increased sweating or urination;
  • blurred vision;
  • appetite chnages;
  • dry mouth or nose, upset stomach; or
  • nausea, diarrhea, constipation.

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 (Cyproheptadine)?

Always ask a doctor before giving a cold or allergy medicine to a child. Death can occur from the misuse of cold and allergy medicines in very young children.

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, or if you are elderly or have a debilitating disease.

Before taking cyproheptadine, tell your doctor if you have glaucoma, a history of asthma, high blood pressure, heart disease, or an overactive thyroid.

Cyproheptadine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Avoid drinking alcohol. It can increase some of the side effects of cyproheptadine.

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