ArtsAutosBooksBusinessEducationEntertainmentFamilyFashionFoodGamesGenderHealthHolidaysHomeHubPagesPersonal FinancePetsPoliticsReligionSportsTechnologyTravel

Side effects of Histop, Piriton (Chlorpheniramine) tablets and syrup

Updated on October 16, 2015

Introduction

Piriton and Histop are popular brand names of an over the counter generic drug Chlorpheniramine. This medicine is a first generation antihistamine. It is used for symptomatic relief of allergies such as colds, cough, allergy, hay fever and allergic rhinitis. Chlorpheniramine is a common ingredient in common cough medicines. It is also used for the emergency treatment of anaphylaxis.

This medicine is available in tablet and liquid form for children. Side effects are more with the children and the elderly.


How Histop/Piriton works?

Histop works by blocking histamine (H1) receptors in the body. It passes through the brain to cause sedation and drowsiness. Drowsiness is usually tolerable in time. In addition, Histop increases several neurotransmitter levels in the brain.

If you have kidney disease, liver disease, enlarged prostate, glaucoma, epilepsy then do not to take this medication without consulting a doctor. You should not use this drug, if you are pregnant or breastfeeding, unless prescribed by a doctor.


Side effects of Histop

What are the most common side effects?

Drowsiness is the most common side effect of Histop/Piriton. Headaches, urinary retention and blurred vision are also common side effects. Nasopharyngitis, fatigue, and dry mouth are common side effects as well. gastrointestinal symptoms such as nausea may occur in some patients. If you take Histop, it is important to avoid operating machinery, driving, having excess alcohol or taking other CNS depressant medications.

The general advice to avoid the side effects

Take this medication at the recommended dose and it should not exceed the dose. This medication should be taken with a full glass of water. Do not crush medicines before using. Do not eat food high in fat at the time of the drug. High-fat meal reduces the blood concentrations of Histop.

What are other side effects that are not so common?

Fatigue, and reduce energy consumption reported. Sometimes a patient may have low blood pressure, elevated heart rate, cardiac arrhythmias, and abnormal movements. Dizziness, confusion and depression can occur in some patients. Sleep problems are another annoying side effect that may occur rarely. Very rarely, patients may get tremors and convulsions (fits).

Rarer side effects that are specific to Histop are exforliative dermatitis (skin peeling off), tinnitus, short-term drop in blood pressure, and abnormal central nervous system stimulation.

Use of Histop/Piriton during pregnancy

While there are no evidence of fetal harm, the manufacturer's advice to avoid using Hitop during pregnancy. Especially in the first three months.

Use of Histop/Piriton during lactation

Histop secretes into the breast milk in significant amounts, therefore it should not be used during nursing.

Sources

British National Formulary

AHFS Drug Information

Disclaimer

Even though the author of this article is a Medical doctor, contents of this article are for information only. You should always consult your doctor, before starting or stopping Histop. In addition, medical information can change over time.

Are you happy with Histop (Chlopheniramine)

See results

Comments

    0 of 8192 characters used
    Post Comment

    No comments yet.

    working

    This website uses cookies

    As a user in the EEA, your approval is needed on a few things. To provide a better website experience, hubpages.com uses cookies (and other similar technologies) and may collect, process, and share personal data. Please choose which areas of our service you consent to our doing so.

    For more information on managing or withdrawing consents and how we handle data, visit our Privacy Policy at: https://hubpages.com/privacy-policy#gdpr

    Show Details
    Necessary
    HubPages Device IDThis is used to identify particular browsers or devices when the access the service, and is used for security reasons.
    LoginThis is necessary to sign in to the HubPages Service.
    Google RecaptchaThis is used to prevent bots and spam. (Privacy Policy)
    AkismetThis is used to detect comment spam. (Privacy Policy)
    HubPages Google AnalyticsThis is used to provide data on traffic to our website, all personally identifyable data is anonymized. (Privacy Policy)
    HubPages Traffic PixelThis is used to collect data on traffic to articles and other pages on our site. Unless you are signed in to a HubPages account, all personally identifiable information is anonymized.
    Amazon Web ServicesThis is a cloud services platform that we used to host our service. (Privacy Policy)
    CloudflareThis is a cloud CDN service that we use to efficiently deliver files required for our service to operate such as javascript, cascading style sheets, images, and videos. (Privacy Policy)
    Google Hosted LibrariesJavascript software libraries such as jQuery are loaded at endpoints on the googleapis.com or gstatic.com domains, for performance and efficiency reasons. (Privacy Policy)
    Features
    Google Custom SearchThis is feature allows you to search the site. (Privacy Policy)
    Google MapsSome articles have Google Maps embedded in them. (Privacy Policy)
    Google ChartsThis is used to display charts and graphs on articles and the author center. (Privacy Policy)
    Google AdSense Host APIThis service allows you to sign up for or associate a Google AdSense account with HubPages, so that you can earn money from ads on your articles. No data is shared unless you engage with this feature. (Privacy Policy)
    Google YouTubeSome articles have YouTube videos embedded in them. (Privacy Policy)
    VimeoSome articles have Vimeo videos embedded in them. (Privacy Policy)
    PaypalThis is used for a registered author who enrolls in the HubPages Earnings program and requests to be paid via PayPal. No data is shared with Paypal unless you engage with this feature. (Privacy Policy)
    Facebook LoginYou can use this to streamline signing up for, or signing in to your Hubpages account. No data is shared with Facebook unless you engage with this feature. (Privacy Policy)
    MavenThis supports the Maven widget and search functionality. (Privacy Policy)
    Marketing
    Google AdSenseThis is an ad network. (Privacy Policy)
    Google DoubleClickGoogle provides ad serving technology and runs an ad network. (Privacy Policy)
    Index ExchangeThis is an ad network. (Privacy Policy)
    SovrnThis is an ad network. (Privacy Policy)
    Facebook AdsThis is an ad network. (Privacy Policy)
    Amazon Unified Ad MarketplaceThis is an ad network. (Privacy Policy)
    AppNexusThis is an ad network. (Privacy Policy)
    OpenxThis is an ad network. (Privacy Policy)
    Rubicon ProjectThis is an ad network. (Privacy Policy)
    TripleLiftThis is an ad network. (Privacy Policy)
    Say MediaWe partner with Say Media to deliver ad campaigns on our sites. (Privacy Policy)
    Remarketing PixelsWe may use remarketing pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to advertise the HubPages Service to people that have visited our sites.
    Conversion Tracking PixelsWe may use conversion tracking pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to identify when an advertisement has successfully resulted in the desired action, such as signing up for the HubPages Service or publishing an article on the HubPages Service.
    Statistics
    Author Google AnalyticsThis is used to provide traffic data and reports to the authors of articles on the HubPages Service. (Privacy Policy)
    ComscoreComScore is a media measurement and analytics company providing marketing data and analytics to enterprises, media and advertising agencies, and publishers. Non-consent will result in ComScore only processing obfuscated personal data. (Privacy Policy)
    Amazon Tracking PixelSome articles display amazon products as part of the Amazon Affiliate program, this pixel provides traffic statistics for those products (Privacy Policy)