They are exactly the same, writing HCL instead of HCL is strangely lazy. In both, the H stands for Hydrogen and the Cl is chlorine.
Many medications use acid as a base; hydrochloric acid, sulphates, citrate and tartrates from memory
- Cetirizine Information for Consumers
- Cetirizine Information for Healthcare Professionals (includes dosage details)
- Side Effects of Cetirizine (detailed)
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