Pandemonium ensued just before South Africa went into lockdown in March, as shoppers rushed to stores to stock up on essentials from toilet paper to medication. For Adcock Ingram, this resulted in sales of its over-the-counter products Corenza C and Allergex skyrocketing to R500 million, but since then, sales have slowed down and the pharmaceutical company has missed out on the lucrative colds and flu season.