These are external only medication and should not be taken by mouth. If you previous liver conditions, you should using this talk to your doctor or medical professional about prescribed usage of the product or alternative products. Pregnant and breast feeding women should avoid using this medication unless they sought advice from their doctor or medical professional. Use of this medication combined with others, including homeopathic treatments can cause serious side effects or reduce the effectiveness of this medications. You should notify your doctor or medical professional if you are concerned about the effects of taking multiple medications. Avoid consuming alcohol while undergoing treatment with Nizral (Nizoral).

Side effects from using Nizral (Nizoral) are rare. However you may experience: constipation, diarrhea, dizziness, drowsiness, headaches, nausea, vomiting. On rare occasions users of this medication have been known to exhibit allergic reactions. If you experience symptoms such as fever, chills, itching or a rash, you should discontinue use and seek medical attention.

Before you use Nizral, tell your doctor if you have a history of liver disease or if you are pregnant or breast-feeding.
Certain medications can affect the action of Nizral, and Nizral can increase or decrease the effects of other drugs.
Tell your doctor what prescription and nonprescription drugs you are taking, especially anticoagulants, cyclosporine, phenytoin, and rifampin.
Do not allow anyone else to use your medication.