Acivir DT 400 mg
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Acivir DT 400 mg


Acivir DT 400 mg is commonly used to treat a wide variety of viral infections including Herpes Simplex. It contains Acyclovir as an active ingredient.

30 tabs $20.00
60 tabs $36.00
90 tabs $50.00

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Acivir DT 400 mg is a medication that is often used to treat cold sores due to a virus infection (Herpes Simplex). It also helps to relieve painful symptoms as well as increase the speed of healing sores and blisters. However, physicians may also prescribe this medicine for other purposes not listed in this article. The active ingredient of this medicine is Acyclovir. Nonetheless, it also contains other inactive ingredients such as mineral oil, cetostearyl alcohol, sodium lauryl sulfate, and others. Acyclovir belongs to the class of medicines called synthetic nucleoside analogs. This drug works by preventing the multiplying of viruses into skin cells.

The manufacturer of Acivir DT 400 mg is Cipla Ltd.

How to Use Acivir DT 400 mg?

  • First, you should wash your hands. Clean and dry well the affected area.
  • Afterward, apply a thin layer of cream to this area. Unnecessary touching of the affected area may increase the risk of spreading the infection.

Using the cream 1-2 times daily usually is considered the recommended dose or as directed by your doctor. Do not use this medication more often than your physician prescribes because it will not treat your condition faster. In any case, if you do not notice the desired result, your doctor may gradually increase the dosage or even change the brand of the medicine. To get the most benefit from Acivir DT 400 mg, you should use it at a fixed time every day. This medication is intended for external use only. Avoid touching this cream on your mouth, nose, and eyes as it can provoke irritation. Contact a doctor immediately, if, in the first week of treatment, you see no improvements in your condition.

Additionally, if your doctor prescribed the tablet form of this medicine, take the pill whole with a glass full of water. Avoid other beverages including alcohol because it may cause severe side effects. Administering this medicine at the same time each day will help to get the most benefit from this medication.


The dosages are different among patients because it depends on your response to therapy, age, other medicines that you may be using, and the severity of the health condition. Thereby, healthcare professionals prescribe different dosages for their patients. Do not use this cream if you are not sure what dosage is better for you or consult a doctor. Additionally, keep taking this medicine even if you feel well because stopping the treatment too early may lead to a return of the symptoms. Therefore, your condition may become difficult to treat.

Missed Dose

In case you forget to use this medicine, you should administer the dose as soon as possible. However, if it is near the time for the next dose, just skip the missed dose and continue the regular treatment. Do not apply an increased dose of Acivir DT 400 mg the next time to catch up because you may experience severe adverse effects.


You may rarely experience an overdose due to an increased dose of Acyclovir. Symptoms of overdose include breathing problems, severe dizziness, irregular heartbeat, passing out, and others. Talk with your doctor right away, if you experience any of the symptoms listed above. Ask your doctor if you have any questions.

Adverse Effects of Acivir DT 400 mg

Acyclovir like other medicines may give you some side effects. However, if your body adjusts to this medicine, you may not experience any of the following adverse reactions. There are some factors that can cause side effects such as overdose, allergy, and dehydration.

Common Adverse Effects

Most patients may ignore mild side effects but it is advised to inform your doctor if you experience any of them. Check some examples below:

  • Redness, itching, burning, and irritation at the application site

Severe Adverse Effects

In rare cases, you may notice this category of side effects. However, if you experience any of the following side effects, stop taking this medicine and get medical help right away. Moreover, your doctor may be able to help you to prevent or avoid side effects. Check below some examples:

  • Swallowing or breathing problems
  • Swelling of the throat, lips, eyes, hands, feet, ankles, face, and others
  • Vision problems (such as blurred vision, sudden vision loss, and others)
  • Slurred speech
  • Muscle weakness
  • High fever
  • Tremors (shaking)
  • Loss of coordination
  • Mental or mood disorders (such as confusion)
  • Irregular or pounding heartbeat
  • Passing out
  • Chest pain

This article does not contain all possible side effects. Contact your doctor if you experience any of the adverse effects listed above or any other effects.

Drug Interaction

There are certain medications and substances that may interact with Acyclovir. It means that other drugs may increase the risk of side effects or decrease the effectiveness of Acivir DT 400 mg. However, before using this drug, you should tell your physician about all products that you are using. For example prescription drugs, nonprescription drugs, supplements, vitamins, herbal products, and others. Check some examples below:

  • Didanosine
  • Abacavir
  • Entecavir
  • Adefovir
  • Cidofovir
  • Everolimus
  • Lithium
  • Metrizamide
  • Phenytoin
  • Sirolimus
  • Tizanidine
  • Varicella virus vaccine

Check below some examples of disease interaction:

  • Renal dysfunction
  • Hemodialysis
  • Neurotoxicity
  • Dehydration

Consult a doctor before using this cream because this article does not contain a full list of disease and drug interactions. Moreover, you should not start, stop, or change the dosages without the doctor’s approval because it may lead to unpleasant results.


If you experience any of the following medical conditions, contact your doctor before using Acivir DT 400 mg. For example:

  • If you have an allergy to the ingredients of the drug or if you have any other allergies
  • Bone marrow or organ transplant
  • Cancer
  • Surgery
  • HIV infection
  • Diabetes

During pregnancy, Acivir DT 400 mg should be used when it is clearly needed only. In addition, talk to a doctor before breastfeeding because it is unknown if Acyclovir passes into breast milk.

Where to Buy Acivir DT 400 mg?

You can find this medicine at many local pharmacy stores. However, you can choose the online pharmacy We guarantee 100% original branded medicines, fast delivery, low prices compared to pharmacy stores near your house, as well as excellent customer support. Moreover, if you get the wrong medicines, you can return or change them. In addition, on you can find medications used to treat other medical conditions such as asthma, bacterial, viral, and fungal infections, kidney and liver disease, heart disease, diabetes, erectile dysfunction (ED), and other conditions. Place the order on our website and we will bring the medicines right to your place.

Additional information

Active Ingredient



Cipla Ltd.


5 tabs/blister



Also known as



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