Sildenafil citrate tablets can be taken after taking diclofenac sodium extended-release tablets. Diclofenac sodium extended-release tablets in its instructions contraindications, precautions and other content does not specify that you can not take sildenafil citrate tablets, that is, taking diclofenac sodium extended-release tablets after taking sildenafil citrate tablets have no adverse drug reactions. Therefore, you can take Sildenafil Citrate Tablets after taking Diclofenac Sodium Extended-Release Tablets. Diclofenac sodium extended-release tablets are used for the relief of acute attacks or persistent joint swelling and pain in many kinds of arthritis; all kinds of soft tissue rheumatic pain; acute mild and moderate pain. Adverse reactions such as headache, dizziness, nausea and diarrhea have been associated with the use of the drug. Contraindicated in patients with asthma, angioedema or allergic reactions caused by taking non-steroidal anti-inflammatory drugs, those with active peptic ulcers or bleeding, and those with severe heart failure. Sildenafil citrate tablets are used to treat erectile dysfunction. There are adverse reactions such as headache, flushing, nausea and dizziness while taking the drug. The drug is prohibited to be taken with nitrates; it is not suitable for women, newborns, and children. If you need to use Diclofenac Sodium Extended-Release Tablets and Sildenafil Citrate Tablets, you should use them under the guidance of a specialist, not self-medication.