Indications
Periactin (active ingredient: cyproheptadine) is a prescription medication indicated for the following:
- Allergic Reactions: Periactin is used to relieve allergy symptoms such as sneezing, runny nose, itching, and watery eyes. It is effective in treating conditions such as allergic rhinitis and allergic conjunctivitis.
- Chronic Urticaria: It is indicated for the management of chronic urticaria (hives) and other allergic skin reactions.
- Appetite Stimulation: Periactin is also used as an appetite stimulant in patients with conditions that cause poor appetite and weight loss.
- Migraine and Vascular Headaches: It is used for the prevention and treatment of vascular headaches, including migraines.
Periactin belongs to a class of drugs known as first-generation antihistamines, which work by blocking the action of histamine in the body to reduce allergy symptoms.
Uses and Dosage
Cyproheptadine comes in tablet form and should be taken by mouth with or without food as directed by your doctor, usually 2 to 3 times a day. The dosage may vary depending on age, medical condition, and response to treatment. In children, the dosage may also be based on weight and body size. Follow the instructions of your doctor and not increase your dose or take this medication more often than directed. Speak with your doctor or pharmacist for more specific dosing information.
The recommended dosage of cyproheptadine may vary depending on the reason for its use. For the treatment of allergy symptoms, the typical adult dosage is 4mg to 20mg per day, split into two to four doses, while children may be prescribed a lower dose based on their weight and age. For the treatment of appetite stimulation and weight gain in patients with conditions such as anorexia nervosa or cachexia, the typical adult dosage is 2mg to 4mg taken three times a day.
Side Effects
Common Side Effects of Periactin (Cyproheptadine):
- Sleepiness
- Dizziness
- Loss of coordination
- Confusion
- Blurred vision
- Low blood pressure
- Difficulty urinating
- Dryness of nose, throat, and mouth
Serious Side Effects of Periactin (Cyproheptadine):
- Restlessness
- Tremor
- Hallucinations
- Trouble sleeping (insomnia)
- Excitement
- Rash
- Fast heartbeat
- Nausea and vomiting
- Weight gain
Form and Strength
Periactin (Cyproheptadine) is available in the following forms and strengths:
Cyproheptadine: Tablet
- 4 mg
Caution
- There is limited information available about the use of cyproheptadine during pregnancy, and it is not known if it can harm a developing fetus. Speak with your doctor before taking cyproheptadine if you are pregnant or planning to become pregnant.
- 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.
- Cyproheptadine can cause dizziness, sedation, and hypotension in elderly patients.
- Periactin is included in the Beers List of medications that are potentially inappropriate for use in older adults and should be avoided in elderly patients.
- The drug can have various side effects, and this document may not contain all possible side effects, which could include heartburn.
- Cyproheptadine is generally safe for children when used as directed by a physician. However, it can cause drowsiness and other side effects, so it should be used with caution in children.
Frequently Asked Questions (FAQ)
How does Cyproheptadine help with appetite?
Cyproheptadine is known to block the action of a neurotransmitter called serotonin which is known to suppress appetite. By blocking this action, Cyproheptadine can help to improve appetite and promote weight gain.
Can Cyproheptadine be used for anxiety or insomnia?
Cyproheptadine is not typically used to treat anxiety or insomnia. It is an antihistamine medication primarily used for allergy symptoms and appetite stimulation.
How quickly does cyproheptadine work?
This medication will take effect quickly, in about 1 to 2 hours, and improvement in clinical signs should follow.
Is cyproheptadine good for the stomach?
Cyproheptadine was effective in improving symptoms of functional abdominal pain, functional dyspepsia, in a relatively larger number of patients. Patients in smaller numbers had significant improvement 13/18 (72%) abdominal migraine, 10/10 (100%) IBS, and 6/8 (75%) cyclic vomiting syndrome.
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