Taking Sildenafil Citrate Tablets does not usually affect the taking of cold medicines, pay attention to the contraindications and adverse effects of the drug. Sildenafil Citrate Tablet is a common treatment for erectile dysfunction. Adverse reactions such as headache, flushing, nausea, dyspepsia, abnormal vision, rash, dizziness, myalgia, back pain, nasal congestion, etc. are common after use. Contraindications to the use of the drug include hypersensitivity to the product, avoidance of concomitant medications including any form of nitrates and guanylate cyclase agonists (e.g., leucovorin). The drug does not generally interact with common cold and flu medications (e.g., acetaminophen), so cold and flu patients can take the drug under the supervision of a physician, and the specific dosage can be prescribed by a doctor.