There are herbal remidies for cold why kill a animal?
Termeric,Cloves with pepper boiled and cooled if taken will clear the cold.
Ginger Powder with Honey if taken will clear the Cold.
Doddapatre Leaf is another Leaf which cures :- The leaves have also had many traditional medicinal uses, especially for the treatment of coughs, sore throats and nasal congestion, but also for a range of other problems such as infections, rheumatism and flatulence. The plant is cultivated in home-gardens throughout India for use in traditional medicine, being used to treat malarial fever, hepatopathy, renal and vesical calculi, cough, chronic asthma, hiccough, bronchitis, helminthiasis, colic, convulsions, and epilepsy,Shenoy and others refer to further Indian traditional medicinal uses such as for skin ulcerations, scorpion bite, skin allergy, wounds, diarrhoea, with emphasis on the leaves being used as a hepatoprotective, to promote liver health.- Copy from - WIKIPEDIA.