What is Efavir (Efavirenz) used for?

Efavir (Efavirenz) is an oral antiviral medication used to treat patients suffering from human immunodeficiency virus (HIV). The medication slows or stops the reproduction of virus cells in the body to make it easier for the immune system to control the infection. Note that this medication will not cure your condition and is only meant to prevent its progression. Your doctor may also prescribe it to be used along with other medications to get the most effective results from treatment.

How should I use Efavir (Efavirenz) ?

Efavir (Efavirenz) should always be used strictly according to your doctor`s instructions to get the safest and most effective results from treatment. One tablet is normally administered once daily, but your particular directions will depend on your age, weight, health condition, and the severity of your symptoms. These should be swallowed with a large glass of water on an empty stomach. Never change the form of the tablets by splitting, crushing, or chewing the medicine prior to use as this may destroy or alter the effects of their contents. Ask your pharmacist or doctor any questions you have while using the medicine to ensure the correct administration.

What are the side effects of Efavir (Efavirenz) ?

Efavir (Efavirenz) may cause side effects in some patients including:

• Headaches
• Dizziness or drowsiness
• Mild nausea or vomiting
• Unusual weight gain
• Insomnia
• Mild skin rash

Stop using the medication and contact your doctor as soon as possible if you experience any serious side effects such as cold sores, chest pain, confusion, trouble speaking, swelling of the neck or throat, signs of a new infection, intense nausea, or a severe skin rash. These conditions may require lower doses, reduced frequency of administration, or emergency medical attention in serious cases to prevent further health complications from occurring.

Please Note

Efavir (Efavirenz) should not be used by patients who are children under the age of three, lactose intolerant, or who have severely reduced liver function. Also inform your doctor if you have a history of epilepsy, a history of depression, severe kidney failure, hepatitis B, hepatitis C, or liver disease as these conditions may cause unexpected health problems requiring special adjustments to your regimen.

Strictly use Efavir (Efavirenz) as prescribed and follow all instructions provided by your doctor. Safe, suitable, and optimum dosage can vary and is dependent on the patient`s health and medical history, as well as the condition you are treating.

Efavir (Efavirenz) may not be safe or suitable for all patients. Always ensure your doctor is informed if you are pregnant or breastfeeding, using any other type of medication (including non-prescription medicine, vitamins, and supplements), as well as if you have any allergies, other illnesses, or pre-existing medication conditions.

Seek immediate medical attention or proceed to your nearest accident and emergency department if you suffer a hypersensitive or allergic reaction. Symptoms usually present during a reaction of this nature include difficulty breathing or swallowing, swelling of the limbs or face, tight chest, hives, and skin rashes.

Further Information

Avoid drinking alcohol as It can increase some of the side effects of Efavir (Efavirenz). Cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety can add to drowsiness. Also avoid driving or operating heavy machinery while using this medication until you know how it will affect you.