Your dog has no way to tell you her throat feels funny, nor does she have much recourse other than to try drinking it away. Diarrhea and vomiting can deplete your dog's fluids, making her excessively thirsty. If you suspect an allergy or intolerance, your vet can design an exclusion diet to figure things out. Considerations
Lettuce spread to the Greeks and Romans, the latter of whom gave it the name  lactuca , from which the English lettuce is ultimately derived.By 50 AD, multiple types were described, and lettuce appeared often in medieval writings, including several herbals.ettuce's native range spreads from the Mediterranean to Siberia, although it has been transported to almost all areas of the world. Plants generally have a height and spread of 6 to 12 inches (15 to 30 cm). The leaves are colorful, mainly in the green and red color spectrums, with some variegated varieties.
There are five distinct types of lettuce: leaf (also called loose-leaf lettuce), Cos or romaine, crisphead, butterhead and stem (also called asparagus lettuce). Leaf lettuce, the most widely adapted type, produces crisp leaves loosely arranged on the stalk.Nearly every garden has at least a short row of leaf lettuce, making it the most widely planted salad vegetable. Cos or romaine forms an upright, elongated head and is an excellent addition to salads and sandwiches.t is a head lettuce that is also low in nutritional value and flavor. Because of its superior shipping qualities, iceberg has been most available which accounts for it popularity. The most abundant nutrient in iceberg lettuce is water.