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Periactin (Cyproheptadine)

Periactin is an anti allergic medication used for the treatment of allergy symptoms like sneezing; runny nose; itching, watery eyes; hives; rashes and itching.
Batch Expiry Date: November 2019
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Periactin 4 mg

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Periactin is an anti allergic medication used for the treatment of allergy symptoms like sneezing; runny nose; itching, watery eyes; hives; rashes and itching.

In some cases, Periactin may also be prescribed to increase appetite in underweight people. (It has not been approved by the FDA for this cure)

However, your doctor may also prescribe Periactin for other conditions if found appropriate.

How to use Periactin

The ideal way to use Periactin is to follow the instructions of your doctor. An alternative way is to check the medicine label for dosage instructions.

Periactin may be taken with or without a meal to avoid stomach problems but it should be taken with a full glass of water.

Preferably, Periactin should be taken at the same time each day to help maintain a regular routine for taking it.

You must not stop taking Periactin without consulting your doctor even if you attain relief after a short while post starting treatment.

The maximum permitted dosage of Periactin in a 24 hour period is 32 mg.

If you are using the suspension, then with a special dose-measuring spoon or cup, not with a regular tablespoon.

Drug Class and Mechanism

Periactin is an antihistamine that blocks the action of the chemical histamine in the human body. This directly reduces the allergic symptoms which are caused due to histamine.

Missed Dose

It is important that you maintain a strict schedule for taking Periactin to ensure that you do not miss any doses. But if you do, then you may take it as soon as you remember provided that you space out the next dosage accordingly.

On the other hand, if it is almost time for the next dose, then omit this dose and continue with your normal dosage schedule.

Never consume two doses to compensate for a missed dosage.


Store Periactin between 59 to 77 degrees F (15 and 25 Degrees), at room temperature. Ensure that you protect it from direct exposure to heat/moisture/light and from the reach of children and pets.

Avoid storing Periactin in the bathroom.

Consult your doctor before using Periactin if you have conditions like glaucoma or increased pressure in the eye; a stomach ulcer;
an enlarged prostate, bladder problems, or difficulty urinating;
an overactive thyroid (hyperthyroidism); hypertension or any type of heart problems; or asthma, if you have any kind of allergies to food items, medicines or other substances, if you are using some kind of herbal preparation, dietary supplement, prescription or non prescription drug.

Do not use Periactin if you are allergic to any of the ingredients in it (read medicine label if unsure) or if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in the last 14 days. This may lead to a very serious reaction and hence it must be avoided.

If you are pregnant or have plans for a pregnancy, then consult your doctor before using Periactin as Periactin may harm your fetus.

If you are breast feeding then please maintain caution as it is unknown whether Periactin is passed into the breast milk. So please consult your doctor prior to using it.
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