One of the most frequently asked questions from men starting focused shockwave therapy is: what happens after each session, and when should results be expected? Understanding the recovery timeline helps set realistic expectations — and knowing what to do (and avoid) in the post-treatment window can meaningfully influence outcomes.

Immediately After a Session

Focused shockwave sessions are typically completed in 15–20 minutes per visit. Most men experience little to no discomfort during the procedure itself, and there is no anaesthesia involved. Immediately afterwards, some men notice mild tingling or warmth in the treated area — this is a normal response to acoustic energy and resolves within an hour or two. There are no restrictions on driving, working, or most normal physical activity following a session.

Why the 24–48 Hour Anti-Inflammatory Window Matters

This is perhaps the most counterintuitive piece of post-treatment advice. Shockwave therapy works through a controlled inflammatory response — the micro-stimulation triggers the body’s repair cascade, which initiates new blood vessel growth. Taking NSAIDs (ibuprofen, aspirin) within 48 hours of a session blunts this inflammatory signal and may reduce treatment efficacy. Paracetamol (acetaminophen) is generally acceptable if pain relief is needed.

The Results Timeline: When to Expect Changes

Angiogenesis — the growth of new blood vessels that gives focused shockwave therapy its lasting effect — is a biological process that takes time. Most men do not notice significant improvement during the active treatment period itself. Changes in erection quality typically begin to emerge 4–8 weeks after completing the full course and may continue improving for up to 3–6 months post-treatment as vascular remodelling progresses.

Maximising Long-Term Results

The lifestyle factors that protect cardiovascular health also protect the vascular gains made through shockwave therapy. Cardiovascular exercise, healthy body weight, blood pressure control, and avoidance of smoking are all meaningful contributors to maintaining results. Men who also have hormonal imbalances should address these alongside shockwave treatment — a guide to managing low testosterone after 40 covers the relevant ground.

For those comparing treatment approaches, our page on the clinical evidence for shockwave therapy in ED provides context on how results compare to other options.