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Uses and Side Effects of Peritol

Peritol syrup

Peritol syrup

What Is Peritol?

Peritol is a brand name for Cyproheptadine. It has many actions, but one of the most commonly utilized is its serotonin antagonist action. This action makes it a good appetite stimulant. In addition, Peritol inhibits histamine receptors. Therefore, it works as an anti-histamine medication, such as Piriton. Peritol also causes drowsiness and helps to induce sleep. Anti-histamine indications are common colds and allergies.

Peritol should not be used for sleep. Other medications should be used for sleep problems.

Common uses of Peritol

  1. Appetite stimulant
  2. Anti-histamine (common cold, allergies)
  3. Sleep-inducing agent—effect wanes after some time
  4. Treatment of drug-induced akathisia—a troublesome side effect of some antipsychotic medications.

How to use Peritol

The usual dosage of Peritol is 4mg thrice daily. That is 10ml of Peritol syrup thrice daily.

What Are the Side Effects of Peritol?

The main side effect of Peritol is its ability to cause drowsiness and sedation. This action makes driving vehicles and operating machinery dangerous. In addition, drowsiness tends to go into the next day and makes waking up in the early morning difficult.

Peritol can cause weight gain due to its ability to increase appetite. In addition, using Peritol to induce appetite in a patient with an underlying disease (cancer) without investigating the cause for loss of appetite can be dangerous. In some countries, this medication is available over the counter.

Other common side effects of Peritol

  • Headache
  • Psychomotor impairment
  • Urinary retention
  • Dry mouth
  • Blurred vision
  • Gastro-intestinal disturbances

Rare side effects of Peritol include low blood pressure, palpitations, arrhythmias, dizziness, confusion, depression, sleep disturbances, tremors, fits, liver problems, and angle-closure glaucoma.

Peritol is available as tablets, capsules, and syrups. It should ideally be taken at night. Elderly people will experience most of the side effects. In addition, it is not recommended to use Peritol in children.

Who should not use Peritol

This drug should not be used in patients with prostatic hypertrophy, urinary retention, in people susceptibility to angle-closure glaucoma, and in intestinal obstruction. Peritol should not be taken if you have liver disease, as peritol can induce coma in liver failure. In addition, taking peritol to induce appetite without seeking a cause for appetite loss can be dangerous (some chronic diseases can cause appetite loss such as Tuberculosis).

Pregnancy and breastfeeding

Peritol should be avoided in pregnancy. Newborn irritability, paradoxical excitability, and tremor can occur following delivery. In addition, Peritol should not be used in mothers who are breastfeeding.

In summary, Peritol is a common over-the-counter appetite stimulant. However, it can cause some problematic side effects, such as drowsiness.

Drowsiness is a main side effect of Peritol that can cause serious injuries when driving.

Drowsiness is a main side effect of Peritol that can cause serious injuries when driving.

This content is accurate and true to the best of the author’s knowledge and does not substitute for diagnosis, prognosis, treatment, prescription, and/or dietary advice from a licensed health professional. Drugs, supplements, and natural remedies may have dangerous side effects. If pregnant or nursing, consult with a qualified provider on an individual basis. Seek immediate help if you are experiencing a medical emergency.


Sindy on November 19, 2019:

How long long after expiration date can Peritol be taken

Chandika on November 18, 2019:

Can I use Peritol to weight gain?

miki-mik on April 30, 2019:

Are u still interested in purchasing peritol pills

Tasheca on August 17, 2018:

Can peritol cause blockage in fallopian tubes

Georgion on June 30, 2018:

Does it stop pregnancy??

558415 on June 09, 2018:

Is perital a form of birth control?

Sanjida on January 26, 2018:

I want to buy how can i buy it?

Nishani on November 01, 2017:

My baby was presceibed to give peritol since he refuses to eat almost everything. He is 9 months old. He seems to have lot of sleep after the medicine. Do I have to go to the doctor again? Will this drowsiness last long until he stops taking peritol?

Sharon Smith. on October 24, 2017:

Can you take perital if trouble with high blood pressure.

Dr Manura Nanayakkara (author) from Sri Lanka on August 12, 2017:

Yes you will again lose appetite. If you have continuous loss of appetite then you need to be examined by a doctor for serious physical or mental health issue. Peritol is only temporary solution.

Denesha on May 18, 2017:

WHEre can I make an order can't find it no where

Pankaj kumar jha on May 11, 2017:

Peritol syrup company /manufacturer name Agency in patna (Bihar )

amashawelivita on March 03, 2017:

Is it bad if I stop taking peritol at once?

Destiny on December 02, 2016:

I have asthma can i take peritol??

And how long after you're taking peritol u should gain weight?

nishant bhende on March 29, 2016:

I m taking peritol,but when i stop,it getting me side effect like headach,filling weekness,i want to stop,plz help me out.

Dr Manura Nanayakkara (author) from Sri Lanka on August 30, 2015:


Three times per day

Angel on August 30, 2015:

Does pertiol causw swelling of the breast?

vish on August 22, 2015:

how many times want to take

Dr Manura Nanayakkara (author) from Sri Lanka on July 17, 2015:

It is unlikely. But it is safe not to take it in first 12 weeks of pregnancy.

Den on July 17, 2015:

Can peritol cause a miscarriage?

Dr Manura Nanayakkara (author) from Sri Lanka on June 10, 2015:

There is no relationship with periods and peritol

Abi on June 10, 2015:

Does it stop women from seeing there period?

madu on May 16, 2015:

Is it dangoures?

lisa on May 11, 2015:

About How much weight can be gained from peritol

Dr Manura Nanayakkara (author) from Sri Lanka on March 21, 2015:

It depends on host of other factors, therefore exact answer cannot be given. However, most people will experience weight gain within one month.

Dr Manura Nanayakkara (author) from Sri Lanka on March 21, 2015:

It depends on host of other factors, therefore exact answer cannot be given. However, most people will experience weight gain within one month.

Melissa patience on March 20, 2015:

Okay how long it takes to gain weight when taking peritol

Dr Manura Nanayakkara (author) from Sri Lanka on March 17, 2015:

Yes will weight will be lossed once it is stopped. Unless proper cause for weight loss is found

Louise Elcross from Preston on November 26, 2011: