Isoniazid Syrup and Tolvaptan

• Generic Name: isoniazid
• Dosage Forms: syrup
• Other Brand Names: Nydrazid

Isoniazid is an antibiotic that fights bacteria.

Isoniazid is used to treat and to prevent tuberculosis (TB). You may need to take other TB medicines in combination with isoniazid.

When treating active TB, isoniazid must be used with other TB medicines. Tuberculosis can become resistant to treatment if isoniazid is used alone. Take all your medicines as prescribed by your doctor.

Isoniazid may also be used for purposes not listed in this medication guide.

• Generic Name: tolvaptan
• Dosage Forms: n.a.
• Other Brand Names: Samsca, Jynarque

This medication guide provides information about the Samsca brand of tolvaptan. Jynarque is another brand of tolvaptan that is not covered in this medication guide.

Tolvaptan (Samsca) is used to treat hyponatremia (low levels of sodium in your blood) in people with heart failure, and certain hormonal imbalances. Tolvaptan improves urine flow without causing the body to lose too much sodium as you urinate.

Samsca may also be used for purposes not listed in this medication guide.