As long as the medicine is taken under the guidance of a professional doctor, there are no side effects as long as it is taken on time and in the right amount. However, after taking it, you may experience headache, dry mouth and other symptoms, and Guihundihuang Pill has a certain toxicity of the seeds in the drug, so it is not recommended to take it for a long time. If you feel unwell after taking Guihundihuang Pill, you should immediately stop taking it and seek medical attention. It can effectively improve the symptoms of cold and fear of cold, soreness and weakness of the waist and knees, lack of warmth in the hands and feet, swelling of the limbs, unfavorable urination, loose stools, fatigue and low libido caused by the weakness of kidney yang and insufficient vital fire.