Cart View cart “Theo Dur” has been added to your cart. Your order summary Product Price Quantity Total Theophylline SR 300mg, 100 12H ER Scored Tablet, Prescription Required $43.22 Theo Dur quantity $43.22 × Continue Shopping Update cart This product is dispensed by a pharmacy based in Canada, India, New Zealand, Australia, Turkey, the United Kingdom, the United States, or Mauritius. Cart totals Subtotal $43.22 Shipping $9.95 Shipping options will be updated during checkout. Total $53.17 Proceed to checkout