The difference between Irbesartan tablets and capsules mainly lies in the different dosage forms, but also the different indications, the specific use of drugs can follow the doctor’s instructions. Irbesartan tablets and Irbesartan capsules, the main ingredient of Irbesartan, a tablet, a capsule, both belong to the selective angiotensin-II receptor antagonist, are suitable for the treatment of hypertension, and some of the drug instructions suggest that Irbesartan tablets can also be used for the treatment of type 2 diabetic nephropathy combined with hypertension. Both should be contraindicated in people who are allergic to the product, pregnant and lactating women. Adverse reactions such as dizziness, vertigo, palpitations (rapid heartbeat, often accompanied by panic) are common during treatment with the drug, which are generally mild and transient and can be tolerated during continued use of the drug. The use of specific drugs should be directed by a specialist.