Buy Herplex D from Canadian & International Pharmacies
Herplex D (Idoxuridine)and/or alternatives
Herplex D 0.1% from $7.90 USD/mlHerplex D 0.1%
Manufactured by: Allergan Inc.
Product of Canada. Shipped from CanadaRxPrescription RequiredCurrently Unavailable
General Information on Herplex D
The generic name of Herplex D is idoxuridine ophthalmic and it is an antiviral medication. It helps in preventing the spread of the herpes simplex virus. Ophthalmologists prescribe Herplex D to treat eye infections caused by the virus. It is easily available in contracted pharmacies and you can buy Herplex D once your eye specialist prescribes it. Herplex D belongs to the Glycerol and derivatives class as well as Pyrimidines and derivatives class.
The mechanism of action of Herplex D is that it inhibits viral replication by substituting thymidine with idoxuridine in the viral DNA. This inhibits proper functioning of viral DNA polymerases and thymidylate phosphorylase and the virus is thus unable to destroy or infect tissues.
Side effects of Herplex D
Serious side effects of Herplex D have not been reported though mild symptoms can appear. Some of the symptoms experienced by patients include sensitivity to light, stinging pain, and irritation in the eye, burning sensation in the eye, itching on the eyelid and eye, blurred vision and swelling of the eyelid. Most of these symptoms will disappear within a few days. If they persist, you are advised to consult your eye specialist immediately.
There are certain precautions that are necessary while using Herplex D. It is an eye drop and you need to ensure that the dropper should not touch the eye when administering the medicine. The dropper should also not come into contact with other surfaces like hands and needs to be stored in a clean place. If the dropper gets contaminated then it can cause eye infection. Administration of Herplex D will increase your light sensitivity and it might be difficult to walk in the sun. Hence, it is advisable to wear sun glasses to prevent any damage to the eyes from sunlight and also to prevent irritation.
Herplex D Dosage
Herplex D is available in the form of ointment and solutions. Depending on what your eye specialist has prescribed you need to buy Herplex D. It is very important to clean hands before administering Herplex D ointment or solution. The doses of idoxuridine will be different for each patient and you need to follow the dosage requirement as specified by your ophthalmologist. The eye ointment dosage for children and adults should be administered 5 times a day or every 4 hours. The eye solution dosage for children and adults should be administered every hour in the day and every 2 hours in the night. Once the eye condition looks better, the dosage of drops can be reduced to every 2 hours during the day and every 4 hours during the night. After applying eye ointment or drops keep your eye closed for 1-2 minutes so that the medicine can have its effect on the infection.
Using Herplex D with any other medicine or eye ointment is not recommended as interactions might occur. It is advised by eye specialists that patients using this medicine should refrain from taking alcohol or tobacco as this might lead to an interaction.
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What is a "Generic" medication/drug?
Generic drugs are medications that have the comparable medicinal ingredients as the original brand name drug, but which are generally cheaper in price. Nearly 1 in 3 drugs dispensed are "generic". They undergo comparative testing to ensure that they are the same as their "brand" counterparts in:
- Active Ingredient (e.g. "Pravastatin" is the active ingredient in brand name Pravachol)
- Dosage (e.g. 10 mg of the active ingredient)
- Safety (e.g. same or similar side effects, drug interactions)
- Performance (e.g. 10 mg of a "generic" can be substituted for 10 mg of the "brand" and have the same therapeutic result)
- Intended use (e.g. both "generic" and "brand" would be prescribed for the same conditions)
What this means is that "generic" medications can be used as a substitute of their brand equivalents with comparable therapeutic results. There are a few exceptions (examples are outlined at the end of this page) and as always you should consult your physician before switching from a brand name medications to a generic or vice versa.
What differences are there between generic and brand?
While generics and brand equivalent drugs contain comparable active ingredients, they may be different in the following ways:
- Appearance (e.g. the scoring or markings)
The color, shape and size of the medication come from the fillers that are added to the active ingredients to make the drug. These fillers that are added to the drug have no medical use and do not to change the effectiveness of the final product. A generic drug must contain comparable active ingredients and must be comparable in strength and dosage to the original brand name equivalent. Generic drugs can be more cost effective than purchasing the brand name.
Why do generics cost less than the brand name equivalents?
When a new drug is "invented", the company that discovered it has a patent on it that gives them the exclusive production rights for this medication. Once the patent expires in a country, other companies can bring the product to market under their own name. This patent prevents other companies from copying the drug during that time so they can earn back their Research and Development costs through being the exclusive supplier of the product. After the patent expires however, other companies can develop a "generic" version of the product. These versions generally are offered at much lower prices because the companies do not have the same development costs as the original company who developed the medication.
The main thing to realize here though is that the two products are therapeutically comparable. They may look different, and be called something different, but they are required to be have the same active ingredient.
How are Generic drugs tested to ensure quality and efficacy?
The two most generally accepted methods to prove the safety of a generic version of a drug are to either repeat most of the chemistry, animal and human studies originally done, or to show that the drug performs comparably with the original brand name drug. This second option is called a "comparative bioavailability" study. During this type of study, volunteers are given the original drug, and then separately later the generic drug. The rates at which the drug is delivered to the patient (into their blood stream or otherwise absorbed) are measured to ensure they are the same. Because the same active ingredient is used the major concern is just that it delivers the common chemical(s) at the same rate so that they have the same effect. Please note that the methods that the manufacturers use may vary from country to country.