Alcohol: Consuming alcohol while taking Meklin 400 mg/333 mg Capsule may cause symptoms such as flushing, increased heart beat, nausea, thirst, chest pain and low blood pressure (Disulfiram reaction). Pregnancy: Meklin 400 mg/333 mg Capsule is unsafe to use during pregnancy as there is definite evidence of risk to the developing baby. However, the doctor may rarely prescribe it in some life-threatening situations if the benefits are more than the potential risks. Please consult your doctor. Breastfeeding: Meklin 400 mg/333 mg Capsule is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby.Use of Meklin 400 mg/333 mg Capsule is not harmful in short-term because milk levels are low. Prolonged or repeated use may cause staining of babies dental enamel or bone deposition of Meklin 400 mg/333 mg Capsule. Driving: Meklin 400 mg/333 mg Capsule may cause side effects which could affect your ability to drive.Meklin 400 mg/333 mg Capsule may make you feel sleepy, dizzy, confused. You may have hallucinations, fits (convulsions) or temporary eyesight problems (such as blurred or double vision) affecting your ability to drive. Kidney: Meklin 400 mg/333 mg Capsule should be used with caution in patients with kidney disease. Dose adjustment of Meklin 400 mg/333 mg Capsule may be needed. Please consult your doctor.Use of Meklin 400 mg/333 mg Capsule is not recommended in patients with severe kidney disease. Liver: Meklin 400 mg/333 mg Capsule should be used with caution in patients with liver disease. Dose adjustment of Meklin 400 mg/333 mg Capsule may be needed. Please consult your doctor.