How do I get back to shop to buy flu tablet?

Make sure at least 1 of your horses is in the stable, if it isn't go to the field, tap on a pony and select move to stable (or just stable). Then go to the stables and select a pony, then select ride. You will go to the map where you can choose where to ride, you want the shop. The shop has got a pink icon under it, it is located near the bottem right corner of the map. The shop symbol looks like a ranch with a horse shoe on the front. Tap on the shop and select yes to enter. You will see four catergories to choose from, tap on care items then tap the down arrow on the righthand side, near the bottem you will find a flu tablet. Flu tablets cost 10 coins, select the quantity and press buy. Then press the little red arrow to go back. Once you get to the map, press the red arrow again to go back to the stables, then press move to field on your pony's options. When your horse is in the field, tap call over, when you pony comes select the doctors black bag in the bottem lefthand corner of the screen, choose the flu tablet and the move it to your pony's mouth to administer the medicine, after eating it lots of hearts should apear, your pony will walk/trot away. You have succesfully treated you pony's flu, what you do next is up to you!