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The treatment is early antivirals and symptomatic pain relief.
The best analgesia is more than one drug. Paracetamol as one gram 6 hourly is the only dose you can take, except an initial single dose of 2 grams has been shown to be reasonably safe after operations
Non steroidals such as nurofen or voltarol is a good combination as long as you don't have kidney problems or stomach issues. It MUST be taken regularly and will take possibly five days to have maximum effect. Miss a dose and the clock starts again
Codeine compounds have been widely used, but we are increasingly worried about unexpected deaths and many hospital doctors have ditched them. Both the US and UK regulators have issued warnings. There is little evidence codeine and paracetamol is better than paracetamol alone so I wouldn't use it
We then get onto more potent drugs such as tramadol which blocks the pain signal at a spinal level. Oral opiates, once thought dodgy, are now widely used after operations and can be considered
Pain clinics can also offer support with TENS or other drugs and techniques. Most are so busy that sufferers only get to the, if the pain is chronic
Hope this helps