Doxycycline is used for malaria prophylaxis or treatment. When it is administered for treatment of P falciparum malaria, this drug must be used as part of combination therapy (eg, typically with quinine or quinidine).
If you buy goods and are not charged the Rhode Island Sales Tax by the retailer, such as with online and out-of-state purchases, you are supposed to pay the 7% sales tax (less any foreign sales tax paid) for these items yourself as the Rhode Island Use Tax.
The stateâs consumer use tax is the âother halfâ of the Virginia retail sales and use tax requirements. Typically, residents incur the use tax when they purchase more than $100 worth of items in a tax year, upon which they did not pay sales tax.