[Tex/LaTex] Vertical space in table columns

examspacingtables

I am creating following form. The table is meant to be filled manually using pen or pencil. But the space that becomes available in each line is limited (vertical). How can I increase vertical space in between the columns

\documentclass[a4paper]{exam}
    \usepackage{multicol, setspace}
    \usepackage{textcomp, booktabs,colortbl}
    \usepackage[table]{xcolor}
    \setlength\columnsep{10pt}
    \onehalfspacing
    \begin{document}

    \begin{center}
    \fbox{\fbox{\parbox{5.5in}{\centering
    OPD ENCOUNTER FORM}}}
    \end{center}
    \vspace{0.1in}

    \makebox[\textwidth]{Name :\enspace\hrulefill}
    \begin{multicols}{2}
    \vspace{0.2in}
    \makebox[0.45\textwidth]{Age:\enspace\hrulefill}
    \makebox[0.5\textwidth]{Sex:\enspace\hrulefill}
    \end{multicols}
    \makebox[\textwidth]{Address:\enspace\hrulefill}

    \begin{multicols}{2}
    \makebox[0.45\textwidth]{Dated: \enspace\hrulefill}
    \makebox[0.45\textwidth]{Ref: \enspace\hrulefill} 
    \end{multicols} 
    %-----------------------------------------------------------
    \section*{Present Problem}
    \fillwithlines{0.5in}
    %----------------------------------------------------------

    \section*{\large \textrecipe}
    \begin{table}[htp]
    \rowcolors{2}{gray!25}{white}
    \begin{tabular}{c p{3cm}p{3cm}clc} 
    \toprule 
     Sr No & Drug & Dose  & Frequency & Duration & Remark \\ \midrule
    1 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\

     2 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\

    3 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\ 

     4 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\ 

    5 &  &  & -~~ -~~ -  & x & before/with/after meals, at night  \\

    6 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\

    7 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\ \bottomrule 
    \end{tabular}
    \end{table}
    \end{document}

Best Answer

You can use \renewcommand{\arraystretch}{2}. Change 2 as you want for example 3.

\documentclass[a4paper]{exam}
    \usepackage{multicol, setspace}
    \usepackage{textcomp, booktabs,colortbl}
    \usepackage[table]{xcolor}
    \setlength\columnsep{10pt}
    \onehalfspacing
    \begin{document}

    \begin{center}
    \fbox{\fbox{\parbox{5.5in}{\centering
    OPD ENCOUNTER FORM}}}
    \end{center}
    \vspace{0.1in}

    \makebox[\textwidth]{Name :\enspace\hrulefill}
    \begin{multicols}{2}
    \vspace{0.2in}
    \makebox[0.45\textwidth]{Age:\enspace\hrulefill}
    \makebox[0.5\textwidth]{Sex:\enspace\hrulefill}
    \end{multicols}
    \makebox[\textwidth]{Address:\enspace\hrulefill}

    \begin{multicols}{2}
    \makebox[0.45\textwidth]{Dated: \enspace\hrulefill}
    \makebox[0.45\textwidth]{Ref: \enspace\hrulefill}
    \end{multicols}
    %-----------------------------------------------------------
    \section*{Present Problem}
    \fillwithlines{0.5in}
    %----------------------------------------------------------

    \section*{\large \textrecipe}
    \begin{table}[htp]
    \rowcolors{2}{gray!25}{white}
    \renewcommand{\arraystretch}{3}
    \begin{tabular}{c p{3cm}p{3cm}clc}
    \toprule
     Sr No & Drug & Dose  & Frequency & Duration & Remark \\ \midrule
    1 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\

     2 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\

    3 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\

     4 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\

    5 &  &  & -~~ -~~ -  & x & before/with/after meals, at night  \\

    6 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\

    7 &  &  & -~~ -~~ -  & x & before/with/after meals, at night \\ \bottomrule
    \end{tabular}
    \end{table}
    \end{document}

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