Our expert says:
There's nothing available to take internally. Topical repellents may help e.g. Tabard. Try Bayticol spray on your clothes. (You may want to also ask our Pharmacist to recommend brands.) This shouldn't replace doing a thorough skin check after a hike however. Wear long sleeves and trousers in light colours to make it easier to spot the ticks.
If you do get bitten, you should consult your doctor if you start to experience symptoms.
For more info, have a look at our article on tick-bite fever http://www.health24.com/medical/Condition_centres/777-792-824-1855,14021.asp
And how to remove a tick:
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