Tenofovir Disoproxil Fumarate 300mg

Tenofovir Disoproxil Fumarate 300mg — Uses and Benefits

Tenofovir Disoproxil Fumarate is used to treat viral infections, mainly chronic Hepatitis B and, in combination with other antiviral medicines, HIV infection.

WHAT THIS MEDICINE IS USED FOR

• Treatment of chronic Hepatitis B infection in adults
• Treatment of HIV-1 infection, always combined with other antiretroviral medicines
• Sometimes used for pre-exposure prevention (PrEP) of HIV as advised by a doctor

HOW IT WORKS

• It belongs to a class of antivirals called nucleotide reverse transcriptase inhibitors
• It blocks an enzyme the virus needs to multiply
• This reduces the amount of virus in the blood and helps protect the immune system

WHAT IT IS NOT USED FOR

• It does not cure Hepatitis B or HIV infection
• It is not used for Hepatitis A or Hepatitis C
• It is not a treatment for common viral infections like flu or cold
• It should not be used alone to prevent HIV without medical supervision

How to Use Tenofovir Disoproxil Fumarate 300mg

HOW TO TAKE IT

• Take exactly as prescribed by your doctor, usually once a day
• Can be taken with or without food, but taking it with food may reduce stomach upset
• Swallow the tablet whole with water; do not crush or chew unless advised
• Do not stop the medicine suddenly without consulting your doctor, especially if being treated for Hepatitis B
• Continue regular blood tests and doctor visits as advised to monitor kidney function and viral levels

IF YOU MISS A DOSE

• Take it as soon as you remember on the same day
• If it is almost time for your next dose, skip the missed dose and continue your normal schedule
• Do not take a double dose to make up for a missed one
• Try to take your doses at the same time each day to maintain steady levels in the body

STORAGE

• Store at room temperature, away from direct sunlight and moisture
• Keep the tablet in its original container until it is time to take it
• Keep out of reach of children
• Do not use after the expiry date printed on the pack

Tenofovir Disoproxil Fumarate 300mg — Side Effects

COMMON SIDE EFFECTS

• Nausea
• Diarrhoea
• Headache
• Tiredness or weakness
• Dizziness

LESS COMMON SIDE EFFECTS

• Loss of appetite
• Stomach pain
• Sleep disturbances
• Skin rash
• Bloating or gas

SERIOUS SIDE EFFECTS — STOP AND SEE A DOCTOR IMMEDIATELY

• Signs of kidney problems such as reduced urination or swelling in legs
• Unusual muscle pain, weakness, or bone pain
• Severe tiredness with rapid breathing, nausea and vomiting (may indicate lactic acidosis)
• Yellowing of skin or eyes, dark urine (signs of liver problems)
• Sudden worsening of Hepatitis B after stopping the medicine
• Signs of allergic reaction such as swelling of face, lips, or difficulty breathing

This is not a complete list. Report any unusual or persistent symptom to your doctor or pharmacist.

Tenofovir Disoproxil Fumarate 300mg — Safety Information and Precautions

This medicine is available only with a doctor's prescription in India.

DO NOT TAKE THIS MEDICINE IF YOU

• Are allergic to tenofovir disoproxil fumarate or any other ingredient in the tablet
• Have severe kidney impairment without medical supervision

TELL YOUR DOCTOR BEFORE STARTING IF YOU

• Have any kidney disease or reduced kidney function
• Have liver disease, including Hepatitis B or C
• Have bone problems such as osteoporosis
• Are pregnant, planning pregnancy, or breastfeeding
• Are taking other medicines for HIV or Hepatitis B
• Have a history of lactic acidosis or other metabolic conditions

MEDICINES THAT CAN INTERACT

• Other nephrotoxic drugs (medicines that affect the kidney) such as certain antibiotics or NSAIDs
• Other antiviral medicines like adefovir
• Certain HIV medicines such as atazanavir or lopinavir/ritonavir (dose adjustments may be needed)
• Medicines that reduce stomach acid may alter absorption in some combinations
• Always inform your doctor about all medicines, supplements, or herbal products you are taking

FREQUENTLY ASKED QUESTIONS

Can I stop this medicine once I feel better?

No, stopping suddenly, especially in Hepatitis B, can cause the disease to flare up; always consult your doctor first.

Will this medicine cure HIV or Hepatitis B completely?

No, it controls the virus and reduces damage but does not completely cure the infection.

Can I take this medicine during pregnancy?

• It should only be used in pregnancy if your doctor feels it is clearly necessary, so always discuss with your doctor.
• Doctor ya pharmacist se salah lein.