Pick easy, long-tail keywords related to health or medicine. Write simple and helpful content that people in the USA search for. Use the main keyword in title, headings, and URL. Add clear images with alt text.
Build backlinks from pharma blogs, forums, and expired domains. PBNs can help if done carefully. Use Web 2.0 sites like Medium or Tumblr to add supporting links.
List the site on USA directories and use Google My Business. Make sure your site is fast, mobile-friendly, and secure (HTTPS). Avoid spam, copied text, or keyword stuffing.
Keep updating your content. Mix white-hat and smart black-hat tricks for best results.