Maxflow 0.4mg Capsules – Tamsulosin for BPH & Urinary HealthMaxflow 0. 4mg Capsules Maxflow 0. 4mg Capsules contain Tamsulosin, an alpha blocker used to treat benign prostatic hyperplasia (BPH). It works by relaxing the muscles in the prostate and bladder neck, which improves urinary flow and reduces symptoms such as difficulty in urination, weak stream, frequency, and urgency. The usual dosage is prescribed by a healthcare professional based on the patients condition. Common side effects may include