GROPRINOSIN® (Inosine Pranobex)

What Is Groprinosin (Inosine Pranobex)?

Groprinosin is an antiviral medicine containing inosine pranobex, an active ingredient with antiviral and immune-stimulating properties.

It is used as an additional treatment for recurrent upper respiratory tract infections in individuals with weakened immune systems.

Groprinosin is available in two strengths: Groprinosin 500 mg and Groprinosin Forte 1000 mg. Both contain the same active ingredient but have different dosage recommendations and age restrictions.

Groprinosin Forte 1000 mg is also indicated for treating herpes simplex infections affecting the lips and facial skin.

The tablets are taken orally, with the daily dosage determined by body weight and the severity of the condition.

The usual treatment duration is 5–14 days, depending on the patient's condition and response to treatment.

What Is Groprinosin Used For?

Groprinosin 500 milligram tablets are indicated as an additional treatment for recurrent upper respiratory tract infections in individuals with weakened immunity. Groprinosin Forte 1000 milligram tablets have the same indication and may also be used to treat herpes simplex infections of the lips and facial skin. The medicine is classified among antiviral agents for systemic use.

How Does Groprinosin Work?

Groprinosin works through antiviral and immune-stimulating activity, helping support the body's natural immune response to certain viral infections. Its active ingredient, inosine pranobex, influences immune system activity and is classified as an antiviral agent for systemic use.

One of the key properties of Groprinosin is its ability to stimulate immune responses involved in defending the body against viral infections. Inosine pranobex can influence the activity of immune cells, including T lymphocytes, which play an important role in recognizing and responding to infected cells.

In addition to its immunomodulatory properties, Groprinosin has antiviral activity. These combined effects explain its use as an additional treatment for recurrent upper respiratory tract infections in individuals with weakened immune systems.

Groprinosin Forte 1000 mg is also indicated for the treatment of herpes simplex infections affecting the lips and facial skin. The medicine's effects depend on the condition being treated, and it does not guarantee complete elimination of a viral infection or prevention of future episodes.

What Is the Recommended Groprinosin Dosage?

Groprinosin dosage depends on body weight, age, disease severity, and tablet strength. The recommended daily dose is generally 50 milligrams per kilogram of body weight, divided into several administrations.

• Groprinosin 500 milligrams: Adults typically take 6 to 8 tablets daily, divided into three or four doses. The maximum daily dose is 4000 milligrams.
• Children over 6 years: The daily dose is 50 milligrams per kilogram, divided into several doses.
• Groprinosin Forte 1000 milligrams: Adults typically take one tablet three times daily, with a maximum of four tablets daily.
• Groprinosin Forte in children: The formulation is intended for children aged 10 years or older who weigh at least 30 kilograms, according to the supplied product information.

Tablets should be swallowed with water. They may be crushed and dissolved in a small amount of liquid if swallowing is difficult. Treatment usually continues for 5 to 14 days, followed by another 1 to 2 days after symptoms subside.

Who Should Not Take Groprinosin?

Groprinosin should not be used by individuals with hypersensitivity to inosine pranobex or other ingredients, acute gout attacks, or elevated uric acid levels. The 500 milligram formulation is also contraindicated in people with urinary stones, pregnant or breastfeeding individuals, and children under 6 years. The Forte formulation has separate restrictions for children under 10 years or weighing less than 30 kilograms.

What Are the Possible Side Effects of Groprinosin?

The most frequently reported effect is increased uric acid concentration in blood and urine. Other possible adverse reactions include:

• Headache, dizziness, fatigue, and general discomfort.
• Nausea, vomiting, and abdominal discomfort.
• Skin rash, itching, and joint pain.
• Increased liver enzyme levels.
• Occasional diarrhea, constipation, insomnia, or drowsiness.
• Rarely reported serious hypersensitivity reactions, including facial swelling and anaphylaxis.

Severe allergic symptoms, particularly breathing difficulties or swelling of the face or throat, require immediate medical attention.

Can Groprinosin Interact With Other Medicines?

Groprinosin may interact with allopurinol, medications that increase uric acid excretion, certain diuretics, immunosuppressive medicines, and zidovudine. Long-term treatment requires monitoring of uric acid levels, blood counts, liver function, and kidney function. Particular caution is necessary in individuals with a history of gout or kidney disorders.

How Should Groprinosin Tablets Be Stored?

Store Groprinosin and Groprinosin Forte at temperatures not exceeding 25°C (77°F).

Keep tablets in their original packaging, away from children, and do not use them after the expiration date.

Groprinosin 500 milligram tablets have a stated shelf life of three years.

What Ingredients Are in Groprinosin Tablets?

Each Groprinosin tablet contains either 500 or 1000 milligrams of inosine pranobex.

Additional ingredients include potato starch, povidone K-25, and magnesium stearate.

The 500 milligram tablets are white to cream-colored, oval, and scored.

Groprinosin Forte tablets are white or nearly white, oblong, scored on one side, and marked with the letter F on the other.