Obtain a work visa. If you require a visa to work in Australia, submitting an application to the relevant embassy is your first priority. Prospective employers will ask about your immigration status and having your visa (or at least having started the application process) is a prerequisite for most job vacancies.
Antibiotics may be prescribed for sinusitis caused by bacteria. Antibiotics cannot be used to treat a sinus infection caused by a virus, however. Nevertheless, OTC medications can offer symptom relief. OTC medications include decongestants, expectorants, analgesics, and antihistamines. Each of these functions differently and serves a different purpose.
Steroid Nasal Spray. A prescription steroid nasal spray can decrease nasal inflammation and mucus production. This will decrease symptoms of nasal congestion and improve sinus drainage. A steroid nasal spray does not provide immediate relief of symptoms and may require several weeks of routine use to be effective. If you have chronic sinusitis, you may benefit from continued daily use of this medication.