APIs are the core elements that define the efficacy of a medication. They can be derived from various sources, including natural extracts, synthetic processes, or biotechnological methods. The production of APIs involves complex chemical reactions, purification processes, and stringent quality control measures to ensure that the final product meets the required pharmacological standards.
2. Increased Heart Rate Theophylline can stimulate the heart and lead to an increased heart rate (tachycardia). While a slightly elevated heart rate can be tolerated, significant increases can pose risks, especially in dogs with pre-existing heart conditions. Owners should monitor their pets and report any unusual behaviors or changes in heart rate to their veterinarian.
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